env_filter is used at run time in 1,564 crates (of which 128 optionally). It is a direct run-time dependency in 9 crates. It's used at build time in 22 crates (of which 1 optionally, ). It's used only as a dev dependency in 753 crates.

Depender (with downloads and own rev deps) env_filter version
8.7M 7749 env_logger ^0.1.0
331K 49 android_logger ^0.1
6.8K 2 logforth ^0.1
4.0K hilog ^0.1.0
650 1 gelf_logger ^0.1.0
550 hitdns ^0.1.0
300 krossbar-logger ^0.1
120 krossbar-log-viewer ^0.1
krossbar-log-control ^0.1